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224 results about "Seepage force" patented technology

Seepage force. The frictional drag of water flowing through voids or interstices in rock causing an increase in the intergranular pressure (i.e. the hydraulic force per unit volume of rock or soil which results from the flow of water and which acts in the direction of flow).

Ocean engineering pile foundation experiment simulation apparatus and method under long-term horizontal cyclic loading

ActiveCN105604106AConsistent stress and strainUniform gravitational acceleration fieldFoundation testingEngineeringDisplacement control
The invention discloses an ocean engineering pile foundation experiment simulation apparatus and method under long-term horizontal cyclic loading. The apparatus comprises: an osmotic force system which provides continuous pressurized water for a saturated sandy soil foundation so that a uniform osmotic flow field forms in the sandy soil foundation to simulate a hyper-gravity environment; a displacement control loading system and a force control loading system that apply horizontal cyclic loadings to an offshore wind turbine superstructure model; a measuring system used for measuring water pressure before the entry into the saturated sandy soil foundation, displacements of the offshore wind turbine superstructure model and a pile model, strain of the pile model, and surface displacement of sandy soil; an uninterrupted power supply system used for powering the osmotic force system, the displacement control loading system, the force control loading system and the measuring system, thereby ensuring all systems can run stably in a long time; the invention also provides an experiment method of the apparatus; the apparatus and the method are widely applicable and suitable for various ocean engineering structures such as oil platforms and offshore wind turbines.
Owner:TSINGHUA UNIV

Environment-friendly efficient bubble-free cleaning agent

InactiveCN102660752AEasy to rinseGood anti-rust and anti-corrosion performanceCleansing AgentsHigh pressure
The invention discloses an environment-friendly efficient bubble-free cleaning agent which is prepared from the following components in percentage by weight: 10-20% of a composite surfactant, 5-10% of an auxiliary detergent, 5-15% of an antirust agent, 6-13% of triethanolamine, 1-3% of a hard water resisting agent, 2-3% of a sterilizing agent, 0.1-0.3% of a de-foaming agent and the balance of water. The environment-friendly efficient bubble-free cleaning agent has high cleaning speed and is easy to rinse, can efficiently clean oil stains on the surface of a work piece and improves the machining quality; the environment-friendly efficient bubble-free cleaning agent has fewer bubbles and strong seepage force, and a bubble-free property provides guarantee to the use of a high-pressure spraying field; the environment-friendly efficient bubble-free cleaning agent has excellent anti-rusting and anti-corrosion properties, is suitable for a long-period machining process, effectively avoids corroding and rusting of the work pieces, saves the next section of an anti-rusting and anti-corrosion work procedure, saves the production cost, simplifies the machining process and improves the production efficiency; and the green environment-friendly performance and the low odor of the cleaning agent guarantee the physical health of staff.
Owner:上海福岛新材料科技有限公司

Slipproofing agent for surface of ceramic tile and preparation method of slipproofing agent

The invention provides a slipproofing agent for the surface of a ceramic tile and a preparation method of the slipproofing agent. The slipproofing agent is prepared from villiaumite, a corrosion inhibitor, a surfactant, a humectant, essence and the balance of water, wherein the villiaumite is ammonium fluoride and/or ammonium hydrogen fluoride. The preparation method of the slipproofing agent comprises the following steps:, at 25 to 30 DEG C, weighing and taking proper raw materials in sequence, and uniformly agitating the proper raw materials, so as to subsequently obtain the slipproofing agent for the surface of the ceramic tile. According to the slipproofing agent, the villiaumite is used as a main raw material; a product is a neutral aqueous solution; a fluorine ion generates a chemical reaction with a silicate component in the ceramic tile under the action of an ammonium ion in a formula, so as to produce silicon fluoride gas for escaping; the direct effect of the chemical reaction is that numerous nano-sized microporous structures are formed in the surface of the ceramic tile; thus, a slipproofing effect is achieved; nontoxic and harmless raw materials are used by the formula of the slipproofing agent; a neutral solution is convenient to transport and use; further, the slipproofing agent provided by the invention has ultrahigh seepage force.
Owner:GUANGDONG QINGZHU TECH CO LTD

Single-well underground water seepage flow velocity and flow direction measuring method and measuring instrument

InactiveCN105676308ASolve the problem of cumbersome flow direction measurement stepsThe principle is simpleProspecting/detection of underground waterCircular discMeasuring instrument
The invention provides a single-well underground water seepage flow velocity and flow direction measuring method and measuring instrument. The measuring instrument includes a controller and a seepage detector, the seepage detector includes a shell, an upper separator plate, an inclinometry integrated sensor, a pendulum bob and pressure sensors, the pendulum bob and the center of the upper separator plate are connected through a string, due to the function of water flow, a pendulum ball at the bottom of the pendulum bob is subjected to continuous seepage force, the seepage force is transited to the adjacent pressure sensor through a disc, at the same time, the inclinometry integrated sensor measures an inclination angle and an azimuth angle of the measuring instrument and azimuth angles of the pressure sensors, a gravity component of the pendulum bob at the moment can be known, and through vector calculation of force, the magnitude and direction of the seepage force can be judged and thus is indirectly converted into the flow velocity and flow direction of seepage. The measuring instrument has the characteristics of simple structure, low power consumption and the like, and the measuring method can be widely applied to seepage condition monitoring of underground buildings or rock and earth masses such as side slopes, underground diaphragm walls and dams.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Compound essential oil having functions of refreshing spirit, restoring consciousness and resisting fatigue, and wet tissue containing same

The invention discloses a compound essential oil having functions of refreshing spirit, restoring consciousness and resisting fatigue, and a wet tissue containing the same. The compound essential oil is prepared by the following raw materials in parts by weight: 20-50 parts of peppermint camphor, 0.5-2 parts of Ylang Ylang flower oil, 15-25 parts of lavender oil, 3-10 parts of rosemary leaf oil, 20-30 parts of sweet orange oil, 15-25 parts of eucalyptol, 20-40 parts of lemon leaf oil, 0.1-0.2 part of peppermint oil, 20-50 parts of clove oil and 30-55 parts of spearmint oil. The invention adopts pure natural plant ingredients, utilizes the characteristics of various aromatic plant active ingredients, such as strong seepage force, high dissolubility and the like, functions in virtue of skins, channels and collaterals, and acupuncture points for seepage and absorption, has obvious curing effect, is suitable for curing various apocamnosis such as eyestrain, brain fatigue, physical fatigue, dizziness, lassitude, sleepiness, strength lacking and the like, has extremely good effect in refreshing spirit, restoring consciousness, relaxing nervus, eliminating dysthesia, stabilizing sentiment and strengthening stamina.
Owner:广州恒澜生物科技有限公司

Environment-friendly wall surface interfacial agent and preparation method thereof

The invention discloses an environment-friendly wall surface interfacial agent and a preparation method thereof. The environment-friendly wall surface interfacial agent is prepared from the following components in percentage by mass: 70.2-74 percent of deionized water, 2-4 percent of polyvinyl alcohol, 7.5-17.5 percent of polyvinyl acetate emulsion, 0.2-0.4 percent of a functional additive, 10-14 percent of a functional emulsion, 0.05-0.1 percent of a defoamer and 0.05-0.1 percent of a fungicide. The preparation method comprises the following steps: adding the deionized water and the polyvinyl alcohol in a reaction kettle according to a ratio, rising the temperature to completely dissolve the deionized water and the polyvinyl alcohol, adding the functional additive, carrying out reaction for a certain time and cooling, then sequentially adding the polyvinyl acetate emulsion, other functional emulsions, the defoamer and the fungicide in the reaction kettle, and uniformly stirring to prepare the environment-friendly interfacial agent. The product is used for surface treatment of various walls, is liable in film formation, strong in seepage force and excellent in water resistance, can be used for cement hair manufacturing, can greatly improve the subsequent construction performance of a wall surface and remarkably improves the bonding strength of plastering mortar to the wall surface.
Owner:北京市创新玮地科贸有限公司

Bidirectional penetration model testing device suitable for soil-rock slopes

InactiveCN103760318ADischarge in timeOvercome the disadvantages of not being able to reflect the stress level of the soilEarth material testingWater sourceSeepage force
The invention discloses a bidirectional penetration model testing device suitable for soil-rock slopes. The bidirectional penetration model testing device comprises a slope deposit, water penetration pipes, cover plates, a water source, a deformable water permeable bearing pad body, a water permeable support body, pore pressure gauges and inclinometer tubes, wherein the slope deposit is obliquely arranged and has two upper oblique side surfaces of water penetration surfaces; the water penetration pipes are positioned above the water penetration surfaces of the slope deposit; the cover plates are positioned above the water penetration pipes, made of transparent materials and used for sealing penetration water; the water source is connected with the water penetration pipes the deformable water permeable bearing pad body is opposite to the water penetration surfaces of the slope deposit and positioned below the slope deposit; the water permeable support body is positioned below a deformable water permeable layer and used for supporting the slope deposit; the pore pressure gauges are buried in the slope deposit; the inclinometer tubes are used for enabling a probe of an inclinometer to get in and out. The long slope surface in the slope deposit forms an angle of 20-45 degrees with the ground, and the water penetration pipes which are horizontally arranged are respectively designed with a plurality of water penetration holes. The bidirectional penetration model testing device can truly simulate the effective stress and the water pressure in a slope body of a soil-rock slope under the synergy of penetration along the slope direction and the penetration which is vertical to the slope surface according to an amplification ratio, and solve the difficult that a general geotechnical model is difficult to simultaneously meet geometric similarity and physical similarity.
Owner:SICHUAN UNIV +2

Moxibustion bed

The invention provides a moxibustion bed. The moxibustion bed comprises a bedstead and a mattress arranged on the bedstead, the mattress is provided with a moxibustion area, moxibustion therapy boxes are installed in the moxibustion area, each moxibustion therapy box comprises a moxibustion groove, a heating piece, infrared lamps and a fan, each heating piece is connected with a timing temperature controller, the mode of electrically heating moxibustion medicinal materials is adopted and is different from traditional moxibustion with smoke, smog is not generated, installation of smoke pipes is avoided, through the timing temperature controllers, timing autoignition is achieved, the moxibustion therapy constant temperature can be maintained, the seepage force of moxibustion is great, qi obtaining feeling is obvious, the design of three timing temperature controller circuits and nine moxibustion positions is integrally adopted for the moxibustion bed, three moxibustion areas in the human body, namely the upper area, the middle area and the lower area, are covered, the temperature and timing for any moxibustion area can be operated independently according to requirements, the three moxibustion areas can also be operated at the same time, and different requirements of different positions of the human body for thermal inductance and the treatment effects are facilitated.
Owner:SHANGHAI HEYE IND CO LTD

Magnetic field force-seepage force model test device applicable to earth-rock slope

The invention discloses a magnetic field force-seepage force model test device applicable to an earth-rock slope. The magnetic field force-seepage force model test device mainly comprises a talus body, a magnetic force layer, an infiltration tank, a header tank, a deformable permeable leg protecting body, a rainfall pipe, a displacement sensor and a pore pressure gauge, wherein the talus body and the ground form an angle of 20-45 degrees; the magnetic force layer is arranged below the talus body and parallel to the talus body; the infiltration tank is arranged at the upper end of the talus body, communicated with a water source and used for exerting seepage force along the slope on the talus body; the header tank is arranged in the direction of the lower end of the talus body and used for collecting seepage; the deformable permeable leg protecting body is arranged between the lower end of the talus body and the header tank and used for maintaining slope legs of the talus body; the rainfall pipe is arranged above the talus body, communicated with the water source and used for simulating rainfall; the displacement sensor is arranged above the talus body; the pore pressure gauge is arranged inside the talus body. The magnetic field force-seepage force model test device can really simulate effective stress and water pressure of the earth-rock slope inside the slope body under the synergistic effects of the seepage force along the slope and the magnetic field force of the vertical slope, the problem that a geotechnical model experiment cannot easily meet the geometric similarity and the physical similarity is solved, and a research means is provided for ecological protection of the earth-rock slope.
Owner:SICHUAN UNIV +2

Low temperature-seepage-force coupling effect tunnel model test system and test method

InactiveCN106248409AAchieve freeze-thaw effectReal-timeStructural/machines measurementWater storage tankWhole body
The invention relates to a low temperature-seepage-force coupling effect tunnel model test system and a test method. The test system mainly comprises a steel structure main loading frame portion, a seepage portion, a low-temperature refrigeration equipment portion and an automatic monitoring-feedback analysis portion. An overall counterforce frame is formed by welding H section steel, jacks used for simulating vertical loads are respectively arranged at two sides of the upper part of a model, a load is applied through pressure transmitting I-steel, and openable baffle plates are arranged in front and back. A stainless steel water tank is arranged on the steel structure main loading frame, the whole body is composed of a hydraulic pump, a water storage tank, a stop valve and the like, and the lower part of the stainless steel water tank is provided with a hole. Variations in the temperature of a cavity are realized by adopting an evaporator with a special form. Data real-time acquisition and feedback analysis are carried out based on technologies such as automatic monitoring and wireless transmission technologies and an intelligent optimization algorithm. Similar materials are proportioned according to actual rock physical and mechanical indexes, the similar materials are loaded into the overall loading frame, a vertical load is applied, and excavation for a tunnel cavity is carried out.
Owner:SHENYANG POLYTECHNIC UNIV

Bio-retention pond

ActiveCN107143021ASolve the phenomenon of dead seedlingsSewage drainingWater/sewage treatment by sorptionFiltrationWater flow
The invention provides a bio-retention pond. The bio-retention pond includes a basic gravel layer, a separation layer, a separation part, a planting soil layer and a filtering layer, wherein the basic gravel layer is located at the bottom of bio-retention pond, the separation layer is located on the basic gravel layer, the separation part is located above the separation layer, an included angle exists between the separation layer and the separation part, the planting soil layer is located on one side of the separation part, the planting soil layer is filled with normal soil, and the filtering layer is located at the other side of separation plates and used for seepage. The planting soil layer is of a convexity structure of which the middle is high and the periphery is low; in this way, the partition divides the bio-retention pond into a drainage area and a planting area; when rainfall is relatively large, because the planting soil layer is of the convexity structure of which the middle is high and the periphery is low, rain water flow towards the outer side of the filter layer, the filter layer conducts filtration and seepage on the rain water, and the drainage requirements are met; in this way, a large quantity of rain water cannot be retained in the planting soil layer, the seepage force of the normal soil is not large so that normal evergreen plants can be planted in the planting soil layer, and landscape requirements can be met.
Owner:武汉钢铁有限公司

Phenyl-containing bactericide and graphene oxide-based composite bactericide and application of phenyl-containing bactericide and graphene oxide-based composite bactericide

The invention discloses a phenyl-containing bactericide and graphene oxide-based composite bactericide and application of the phenyl-containing bactericide and graphene oxide based composite bactericide, relating to the field of bactericides. The composite bactericide is prepared by 1-30 parts of phenyl-containing bactericide and 15-70 parts of graphene oxide; the composite bactericide is used for preventing and controlling downy mildew, gray mold and blight of vegetables, leaf blight and helminthosporiun maydis of corns, and zonate leaf spot of fruit trees; the phenyl-containing bactericide can be uniformly loaded on the surface of graphene oxide due to electrostatic interaction and pi-pi stacking of phenyl group in the phenyl-containing bactericide and graphene oxide; graphene oxide has a single laminar structure and has strong mechanical strength, and can damage the bacterial cell structure to result in bacterial death; graphene oxide can be used for catalyzing the phenyl-containing bactericide loaded on the surface of the graphene oxide to generate carboxyl free radicals, therefore, the bactericidal effect of the phenyl-containing bactericide is enhanced, and the composite bactericide has good systemic property, strong seepage force, and good persistence and adhesive.
Owner:HEBEI NORMAL UNIVERSITY OF SCIENCE AND TECHNOLOGY
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